Part Number: 1173250 (Cat) Part Number: 11732500 (Control) Part Number: 1173251 (Cat) Part Number: 1173252 (Cat) Part Number: 11732530 (Circuit card assembly nsn: 5999) Part Number: 11732537 (Circuit card assy) Part Number: 1173255 (Cat) Part Number: 11732553 (Handle box) Part Number: 11732556-10 (Connector assembly) Part Number: 11732556-11 (Connector assembly) Part Number: 11732556-12 (Dummy) Part Number: 11732556-13 (Connector assy) Part Number: 11732556-15 (Dummy) Part Number: 11732556-16 (Dummy)